12.  a) Below is the structure of minaxolone, an anesthetic….

12.  a) Below is the structure of minaxolone, an anesthetic.  Label each indicated functional group of this molecule.  (8 pts)                  b) Below is a condensed formula of an organic compound.  Rewrite it as a line-angle structure.  (4 pts)                  CH3CH2CH2CH2C(CH3)2CH2Br  

16.  a) Calculate the molar solubility of silver(I) chromate…

16.  a) Calculate the molar solubility of silver(I) chromate, Ag2CrO4. Ksp = 1.2 X 10-12.  (10 pts)        b) Alex solves the following problem:                   What is the molar solubility of chromium(III) hydroxide at pH 5.75?  Ksp = 1.6 X 10-30            He solves the problem below.  He makes three mistakes.  What are they?  (Do NOT determine the correct answer!)  (6 pts)